You have written the remarkable comment. Thank you very much. You are right. I speak about errors, but I do not speak as to write a fast code. I will try to improve the future articles.
How to make fewer errors at the stage of code writing. Part N2. - http://www.gamasutra.com/blogs/AndreyKarpov/20110404/7365/How to make fewer errors at the stage of code writing Part N2.php